AT29C040，W29C040及其兼容小扇区，5V，FLASH MEMORY 读写程序。这类芯片扇区为256字节。MX29C040等512字节需修改扇区字节数据。本程序在成功应用在三菱M30802，M30620等系列CPU上。供参考。-AT29C040, W29C040 small sector and its compatibility, 5V, FLASH MEMORY read and write procedures. Such chips for 256-byte sector. MX29C040 as 512 byte sectors are required byte data. The successful application of the procedures in Mitsubishi M30802, M30620 series CPU. For reference.